Lub tog raj kheej yog cov khoom tseem ceeb hauv ntau daim ntawv thov kev lag luam, siv cov cua compressed los muab cov lus tsa suab.Cov thooj voos kheej kheej no tau siv ntau yam kev lag luam, los ntawm kev tsim khoom thiab tsheb mus rau aerospace thiab kev tsim kho.Lawv muaj ntau yam zoo dua lwm hom actuators, ma ...
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